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Table 1 Baseline characteristics of patients and visits in the pre-pandemic and pandemic periods

From: Outpatient visit trends for internal medicine ambulatory care sensitive conditions after the COVID-19 pandemic: a time-series analysis

 

Pre-pandemic

n = 23,279

Pandemic

n = 10,742

Overall

n = 34,021

p-value

Patient characteristics

 Mean age (SD)

58.1 (18.9)

58.1 (19.0)

58.1 (18.9)

0.99

Sex

   

0.35

 Female

14,331 (61.6%)

6556 (61.0%)

20,887 (61.4%)

 

 Male

8948 (38.4%)

4186 (39.0%)

13,134 (38.6%)

 

 Email registered

11,650 (50.0%)

6151 (57.3%)

17,801 (52.3%)

<  0.0001

Visit characteristics

 Visit type

   

<  0.0001

 New consultation

4007 (17.2%)

1436 (13.4%)

5443 (16.0%)

 

 Follow-up

19,272 (82.8%)

9306 (86.6%)

28,578 (84.0%)

 

Visit modality (grouped)

   

<  0.0001

 In-person

23,261 (99.9%)

1943 (18.1%)

25,204 (74.1%)

 

 Virtual care

18 (0.1%)

8799 (81.9%)

8817 (25.9%)

 

Visit modality (specified)

   

<  0.0001

 In-person

23,261 (99.9%)

1943 (18.1%)

25,204 (74.1%)

 

 Telephone

18 (0.1%)

8388 (78.1%)

8406 (24.7%)

 

 Videoconference

0 (0.0%)

411 (3.8%)

411 (1.2%)

 

Visit diagnosis

   

<  0.0001

 AFib

1797 (7.7%)

590 (5.5%)

2387 (7.0%)

 

 CAD

2097 (9.0%)

898 (8.4%)

2995 (8.8%)

 

 CHF

1319 (5.7%)

752 (7.0%)

2071 (6.1%)

 

 HTN

3285 (14.1%)

1571 (14.6%)

4856 (14.3%)

 

 DM

10,953 (47.1%)

5088 (47.4%)

16,041 (47.2%)

 

 Asthma

2732 (11.7%)

1340 (12.5%)

4072 (12.0%)

 

 COPD

1096 (4.7%)

503 (4.7%)

1599 (4.7%)

 

Clinic

   

<  0.0001

 AACU

1758 (7.6%)

905 (8.4%)

2663 (7.8%)

 

 AFib clinic

663 (2.8%)

115 (1.1%)

778 (2.3%)

 

 Cardiology clinic

6012 (25.8%)

2768 (25.8%)

8780 (25.8%)

 

 GIM clinic

655 (2.8%)

248 (2.3%)

903 (2.7%)

 

 Endocrine clinic

8070 (34.7%)

3836 (35.7%)

11,906 (35.0%)

 

 DM clinic

2428 (10.4%)

1066 (9.9%)

3494 (10.3%)

 

 Respirology clinic

3693 (15.9%)

1804 (16.8%)

5497 (16.2%)

 
  1. AFib atrial fibrillation, CAD coronary artery disease, CHF congestive heart failure, HTN hypertension, DM diabetes mellitus, COPD chronic obstructive pulmonary disorder, AACU Acute Ambulatory Care Unit, GIM general internal medicine